Baron de Montesquieu was also a very successful writer.Montesquieu's two most important works are the Persian Letters and The Spirit of the Laws.The Persian Letters is an epistolary novel consisting of letters sent to and from two fictional Persians, Usbek and Rica, who set out for Europe in 1711 and remain there at least until 1720, when the novel ends.Montesquieu's aim in The Spirit of the Laws is to explain human laws and social institutions.